Home / 218,115.82-327,032.79-104,216.86

Finding the Fourth Proportional to 218,115.82, 327,032.79 and 104,216.86

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Solution

The fourth proportional to 218,115.82, 327,032.79 and 104,216.86 is: 156,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,115.82 : 327,032.79 = 104,216.86 : x
  2. Step 2: Convert to fraction form
    218,115.82/327,032.79 = 104,216.86/x
  3. Step 3: Cross multiply
    218,115.82x = 327,032.79 × 104,216.86
  4. Step 4: Simplify right side
    218,115.82x = 34,082,330,490.84
  5. Step 5: Solve for x
    x = 34,082,330,490.84/218,115.82
  6. Step 6: Final answer
    x = 156,257.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.